The pectoralisminormuscle contracts in a closed-chain fashion to lift the lower ribs and open the chest.
胸小肌向下巴的方向收缩,上提肋骨下缘,打开胸廓。
2
Methods: Modified radical mastectomy of retaining pectoralis major and pectoralisminormuscle was applied to 63 patients, aided by chemotherapy after operation.
方法:对63例乳腺癌患者实施保留胸大、小肌改良根治术,术后辅以化疗。
3
Objective: To study the muscle spindle morphology, distribution and their relationship with the fiber-types in human pectoralis major and pectoralis minor.